نتایج جستجو برای: coke making

تعداد نتایج: 333444  

2012
Jan Konieczyński Elwira Zajusz-Zubek Magdalena Jabłońska

In order to assess the penetration of individual trace elements into the air through their release in the coal coking process, it is necessary to determine the loss of these elements by comparing their contents in the charge coal and in coke obtained. The present research covered four coke oven batteries differing in age, technology, and technical equipment. By using mercury analyzer MA-2 and t...

Journal: :Fuel 2023

The iron and steel making is considered among the biggest industries which run world. This industry contributes around 20% of global industrial-sector energy consumption that provided significantly by coal coke. fossil-based fuels are consumed largely for heat generation reducing agents in production processes leads to huge CO2 emissions. matter encourages find an effective, environmentally fri...

Journal: :Biomedical and environmental sciences : BES 2007
Hong Wang Xiao-Bo Yang Ai-Lin Liu Hong-Yan Zhen Liang Guo Hua-Shan Liang Yong-Yi Bi Yun Bai Yong-Wen Chen Tang-Chun Wu

OBJECTIVE To investigate the application of BPDE-albumin adducts as monitoring biomarkers for coke oven workers exposed to polycyclic aromatic hydrocarbons (PAHs) and to explore possible relationship between BPDE-albumin adducts and urinary 1-hydroxypyrene (1-OHP) levels in them. METHODS Thirty-seven coke oven workers from a coke plant and 47 controls without the occupational exposure to PAHs...

2017
Kai Yang Xuejun Jiang Shuqun Cheng Chengzhi Chen Xianqing Cao Baijie Tu

OBJECTIVE To evaluate the effects of occupational exposures to coke oven emissions (COEs) and benzo[a]pyrene (B[a]P) on the prevalence of hypertension and abnormal electrocardiogram (ECG) in coke oven workers. METHODS We included 880 coke oven workers and 710 oxygen employees in the exposed and control groups, respectively. Blood pressure (BP), ECG, blood lipid levels, and glucose levels of a...

Journal: :international journal of iron & steel society of iran 2008
m. h. joulazadeh

eaf plants normally consume coal and coke as reactants, alloying elements, or fuel. the price of these materials varies from € 0.20-0.35/kg. this is while nearly 10 million pieces of tires are annually discarded in iran. the present study shows that scrap tires can be used as a substitute for coal and coke in eaf plants. thirteen grades of steel including low, medium, and high carbon steels as ...

Abbas Taeb Farnaz Zangeneh, Khodayar Gholivand Saeed Sahebdelfar,

The kinetics of catalyst deactivation and coke formation during dehydrogenation of propane over supported Pt–based catalysts and, in particular, the effect of alkali metal promoters on catalyst activity and stability were studied. The analysis of propane conversion data showed that there is an optimum level of alkali metal promoter loading for both catalyst activity and stability.A model ba...

2005
Kevin R. Henke

Because of economics, petroleum coke sometimes replaces or supplements coal as a fuel in power plant combustors. Fly ashes were recovered from the combustion of petroleum coke with moderateto high-sulfur Illinois Basin bituminous coal in a western Kentucky power plant. The fly ashes primarily consist of glass, quartz, mullite and spinels. When compared with ordinary fly ashes from Illinois Basi...

Journal: :Environmental Health Perspectives 1983
R E Albert

Mammalian cell mutagenesis, transformation and skin tumorigenesis assays show similar results in comparing the potencies of diesel, coke oven, roofing tar and cigarette smoke particulates. These assay results are reasonably consistent with the comparative carcinogenic potencies of coke oven and roofing tar emissions as determined by epidemiological studies. The bacterial mutagenesis assay tends...

Journal: :Journal of environmental quality 2013
Katharina Prost Nils Borchard Jan Siemens Timo Kautz Jean-Marie Séquaris Andreas Möller Wulf Amelung

Biochar applications to soils can improve soil fertility by increasing the soil's cation exchange capacity (CEC) and nutrient retention. Because biochar amendment may occur with the applications of organic fertilizers, we tested to which extent composting with farmyard manure increases CEC and nutrient content of charcoal and gasification coke. Both types of biochar absorbed leachate generated ...

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